ExamPlay Light Logo
登入

Physics for IGCSE & O level - Electricity (Section 8 - No. 38)

If a 100W light bulb operates at 120V, what is the current draw?
0.83 Amps
1.2 Amps
12 Amps
12000 Amps

解释

I = P/V, therefore Current = 100W / 120V ≈ 0.83A

评论 (0)

广告